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Finding the Fourth Proportional to 107,317.80, 160,976.70 and 67,919.40

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Solution

The fourth proportional to 107,317.80, 160,976.70 and 67,919.40 is: 101,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,317.80 : 160,976.70 = 67,919.40 : x
  2. Step 2: Convert to fraction form
    107,317.80/160,976.70 = 67,919.40/x
  3. Step 3: Cross multiply
    107,317.80x = 160,976.70 × 67,919.40
  4. Step 4: Simplify right side
    107,317.80x = 10,933,440,877.98
  5. Step 5: Solve for x
    x = 10,933,440,877.98/107,317.80
  6. Step 6: Final answer
    x = 101,879.10

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